CN112072129B - Electricity core terminal surface forming mechanism - Google Patents
Electricity core terminal surface forming mechanism Download PDFInfo
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- CN112072129B CN112072129B CN202010823122.6A CN202010823122A CN112072129B CN 112072129 B CN112072129 B CN 112072129B CN 202010823122 A CN202010823122 A CN 202010823122A CN 112072129 B CN112072129 B CN 112072129B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
- H01M10/0427—Button cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
Electric core terminal surface forming mechanism includes: a component mounting plate; the battery cell end face forming assembly is arranged on the assembly mounting plate and comprises a first end face forming die and a second end face forming die which are oppositely arranged, and the first end face forming die and the second end face forming die can move relatively; the first end face forming assembly comprises a first end face forming tool, the second end face forming assembly comprises a second end face forming tool, and the first end face forming tool and/or the second end face forming tool is provided with a lug avoiding position. The invention can carry out thermal forming treatment on the end surface of the battery cell, is beneficial to reducing the overall height of the battery cell and is convenient for assembling the battery cell.
Description
Technical Field
The invention belongs to the technical field of lithium battery manufacturing, and particularly relates to an end face thermal forming mechanism for a cylindrical button type battery cell.
Background
Button cells are button-like cells that are generally thin and large in diameter relative to thickness. The appearance of the button cell battery meets the requirements of electronic information products and consumer electronic products on the light, thin and small battery, and has huge market potential.
In the existing button cell preparation process, a coiled cell can be subjected to thermoforming after a cell coiling head blanking station, but in the existing button cell thermoforming process, only a thermoforming device is used for thermoforming a center hole of the cell, and thermoforming is not performed on an end face of the cell. If the cell end face can be subjected to thermal forming treatment, the overall height of the cell is reduced, and the cell is convenient to assemble.
Disclosure of Invention
The invention aims to provide a battery cell end face forming mechanism capable of carrying out thermal forming treatment on the end face of a button type battery cell.
In order to achieve the purpose, the invention adopts the following technical solutions:
electric core terminal surface forming mechanism includes: a component mounting plate; the battery cell end face forming assembly is arranged on the assembly mounting plate and comprises a first end face forming die and a second end face forming die which are oppositely arranged, and the first end face forming die and the second end face forming die can move relatively; the first end face forming assembly comprises a first end face forming tool, the second end face forming assembly comprises a second end face forming tool, and the first end face forming tool and/or the second end face forming tool is provided with a lug avoiding position.
Further, the molding clamping device comprises a molding clamping manipulator arranged between the first end face molding die and the second end face molding die, and the molding clamping manipulator can move along the direction vertical to the relative movement direction of the first end face molding die and the second end face molding die.
Further, the manipulator is got to shaping clamp includes centre gripping cylinder, lift slip table and lift drive unit, the centre gripping cylinder set up in on the lift slip table, the lift slip table can set up with reciprocating in on the subassembly mounting panel, lift drive unit control the reciprocating of lift slip table.
Furthermore, the front end part of the first end face forming tool is provided with a positioning pin accommodating hole, the front end part of the second end face forming tool is provided with a positioning pin, and the positioning pin can extend into the positioning pin accommodating hole.
Furthermore, the axis of the positioning pin receiving hole is superposed with the axis of the first end face forming tool, and extends from the front end face of the first end face forming tool to the back along the axial direction of the first end face forming tool; the positioning pin protrudes out of the front end face of the second end face forming tool along the axial direction of the second end face forming tool.
Further, utmost point ear dodges the position and dodges the groove and/or roll up interior utmost point ear and dodge the groove including rolling up outer utmost point ear, roll up outer utmost point ear dodge the groove set up in the periphery wall of tip before the first terminal surface shaping frock and/or on the periphery wall of tip before the second terminal surface shaping frock, roll up interior utmost point ear and dodge the groove set up in the tip before the first terminal surface shaping frock and/or in the tip before the second terminal surface shaping frock.
Further, the outer-rolling tab avoiding groove is formed in the outer peripheral wall of the front end portion of the first end face forming tool and extends from the front end face of the first end face forming tool to the rear along a direction parallel to the axial direction of the first end face forming tool from front, and/or the outer-rolling tab avoiding groove is formed in the outer peripheral wall of the front end portion of the second end face forming tool and extends from the front end face of the second end face forming tool to the rear along a direction parallel to the axial direction of the second end face forming tool from front; the interior utmost point ear of book dodges the groove for set up in annular groove in the tip before the first terminal surface shaping frock, this annular groove is followed the preceding terminal surface of first terminal surface shaping frock along with the direction that first terminal surface shaping frock axial parallels extends backward in the past, and/or the interior utmost point ear of book dodges the groove for set up in annular groove in the tip before the second terminal surface shaping frock, this annular groove is followed the preceding terminal surface of second terminal surface shaping frock along with the direction that second terminal surface shaping frock axial parallels extends backward in the past.
Furthermore, a first heating element is arranged in the first end face forming tool, and a second heating element is arranged in the second end face forming tool.
Further, the battery cell end face forming assembly further comprises a first mold sliding seat, a second mold sliding seat, a first sliding seat driving unit for driving the first mold sliding seat to move, and a second sliding seat driving unit for driving the second mold sliding seat to move; the first end face forming die is arranged on the first die sliding seat, and the first die sliding seat is horizontally movably arranged on the component mounting plate; the second end face forming die is arranged on the second die sliding seat, and the second die sliding seat is horizontally movably arranged on the component mounting plate; the first and second mold slides may move towards or away from each other.
The assembly mounting plate is movably arranged on the fixed frame and can horizontally move under the control of the translation driving unit, and the moving direction of the assembly mounting plate is consistent with that of a battery core conveying belt bearing a battery core.
Furthermore, the battery cell end face forming mechanism is arranged behind the battery cell winding and blanking station and is arranged above the battery cell conveying belt.
According to the technical scheme, the cell end face forming mechanism can carry out thermoforming treatment on two end faces of the button cell, and the positions of the positive and negative electrode lugs of the cell are accurately found before end face forming through the lug aligning assembly, so that the forming tool is convenient to avoid treatment during end face thermoforming treatment, and damage to the lugs of the cell is avoided. In more specific embodiment, electric core terminal surface forming mechanism sets up on the unloading transfer chain to can avoid terminal surface forming device to break down and influence the condition emergence of coiling station normal operating, can not cause the coiling equipment to shut down, bring harmful effects to production.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a side view of an embodiment of the present invention;
FIG. 3 is a bottom view of an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of another embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an end face forming mold according to an embodiment of the present invention;
FIG. 6 is an exploded view of an end face forming mold according to an embodiment of the present invention;
FIG. 7 is a schematic view of another angle exploded structure of the end face forming mold according to the embodiment of the present invention;
fig. 8a and 8b are schematic structural diagrams of two battery cells, respectively;
FIG. 9 is a schematic structural diagram of a molding and gripping manipulator according to an embodiment of the present invention;
fig. 10 is a schematic diagram of the embodiment of the present invention disposed on a cell conveyor belt.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Detailed Description
In order to make the aforementioned and other objects, features and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the electric core end face forming mechanism of this embodiment includes that electric core end face forming assembly 1, the shaping clamp gets manipulator 2, assembly mounting panel 3 and fixed frame 4, and fixed frame 4 plays the fixed mounting effect of whole device, and assembly mounting panel 3 sets up on fixed frame 4, and electric core end face forming assembly 1 and shaping clamp get manipulator 2 and all set up on assembly mounting panel 3.
The battery cell end face forming assembly 1 of the embodiment includes a first end face forming mold 1-1, a second end face forming mold 1-2, a first mold slide seat 1-3, a second mold slide seat 1-4, a first slide seat driving unit 1-5, and a second slide seat driving unit 1-6. The first end face forming die 1-1 and the second end face forming die 1-2 are disposed opposite to each other, and can be moved relatively therebetween so as to approach each other or move away from each other. The forming clamping mechanical arm 2 is located between the first end face forming mold 1-1 and the second end face forming mold 1-2, and moves upwards to a height corresponding to the positions of the first end face forming mold and the second end face forming mold after the forming clamping mechanical arm 2 clamps the battery cell on the battery carrier, and then the first end face forming mold 1-1 and the second end face forming mold 1-2 move oppositely and press the two ends of the battery cell, so that the end face of the battery cell can be subjected to thermal forming treatment. In other embodiments, when the position of the battery cell carrier is appropriate, the end face forming mold may also directly perform end face forming on the battery cell placed on the battery cell carrier, and it is not necessary to set a forming clamping manipulator to clamp the battery cell.
The first end-face forming die 1-1 of the present embodiment is arranged on a first die slide 1-3, which first die slide 1-3 is movably arranged on a component mounting plate 3. The second end face forming die 1-2 is arranged on a second die slide 1-4, and the second die slide 1-4 is movably arranged on the component mounting plate 3. In this embodiment, the first mold slide 1-3 and the assembly mounting plate 3 and the second mold slide 1-4 and the assembly mounting plate 3 are matched in a way of guide rails and sliding grooves, the assembly mounting plate 3 is provided with a guide rail 3a, and the first mold slide 1-3 and the second mold slide 1-4 are provided with sliding grooves (not shown) matched with the guide rails, so that the first mold slide 1-3 and the second mold slide 1-4 can move along the guide rail 3a, thereby driving the first end surface forming mold 1-1 and the second end surface forming mold 1-2 to generate relative movement. In the present embodiment, servo motors are used as the first slide seat driving unit 1-5 and the second slide seat driving unit 1-6, and the connection relationship and the operation process between the first slide seat driving unit 1-5 and the first mold slide seat 1-3 will be described below by taking the first slide seat driving unit 1-5 as an example, and the connection structure between the second slide seat driving unit and the second mold slide seat is the same.
The first slide seat driving unit 1-5 is arranged on the component mounting plate 3, in the embodiment, a screw rod is used as a transmission component to connect the first slide seat driving unit 1-5 and the first mold slide seat 1-3, an output shaft of a servo motor (the first slide seat driving unit 1-5) can be directly or indirectly connected with the screw rod 1-7, the embodiment is connected with the output shaft of the servo motor and the screw rod 1-7 through a pair of synchronizing wheels and a belt, one synchronizing wheel is arranged on the output shaft of the servo motor, the other synchronizing wheel is arranged at the end part of the screw rod, the belt bypasses the two synchronizing wheels, and when the servo motor is started, the screw rod 1-7 can be driven to rotate through the synchronizing wheels and the belt. The screw nuts (not shown) on the screws 1-7 are connected to a connecting plate 1-8, and the connecting plate 1-8 is connected to the first mold slide 1-3, so that the first mold slide 1-3 (the first end-face forming mold 1-1) can be moved along the guide rail 3a by the first slide drive unit 1-5. In other embodiments, the first carriage driving unit may also adopt a conventional driving device such as an air cylinder, and when a servo motor is adopted as the driving device, a conventional mechanical transmission structure such as a chain, a rack, a belt, and the like may also be adopted for transmission. In the embodiment, the first end face forming die and the second end face forming die are driven by adopting a combined structure of the servo motor and the screw rod, so that the end face thermoforming of the battery cell product with different heights can be compatible; and the torque mode of the servo motor can be set, the pressure of the electric core thermoforming is accurately controlled, and the phenomenon that the electric core is flattened due to too large stress or has too small stress and poor forming effect is avoided.
The first end face forming die 1-1 and the second end face forming die 1-2 are used for carrying out heating, pressurizing and thermoforming on the end faces of the battery cells positioned between the first end face forming die and the second end face forming die. Fig. 5, 6 and 7 are schematic structural views of a preferred embodiment of the end face forming die of the present invention. As shown in fig. 5, 6 and 7, the first end surface forming mold 1-1 includes a first end surface forming tool 1-1a and a first heating element 1-1b, the first heating element 1-1b may be a conventional heating element such as a heating tube, and the temperature of the heating element is adjustable. The first end face forming tool 1-1a is substantially cylindrical, an inner cavity (not numbered) for accommodating the first heating element 1-1b is arranged in the first end face forming tool 1-1a, and the first heating element 1-1b is arranged in the first end face forming tool 1-1 a. A positioning pin receiving hole 1-1c is formed in the center of the front end portion (the end portion opposite to the second end face forming die 1-2) of the first end face forming tool 1-1a, the positioning pin receiving hole 1-1c extends from front to back along the axial direction of the first end face forming tool 1-1a, and the positioning pin receiving hole 1-1c can also serve as a central lug avoiding hole in the roll. An outer winding lug avoiding groove 1-1d is formed in the outer peripheral wall of the front end portion of the first end face forming tool 1-1a, and the outer winding lug avoiding groove 1-1d extends from front to back along a direction parallel to the axial direction of the first end face forming tool 1-1 a.
The second end face forming die 1-2 comprises a second end face forming tool 1-2a, a second heating element 1-2b and a positioning pin 1-2 c. The second end face forming tool 1-2a is also substantially cylindrical, an inner cavity for accommodating the second heating element 1-2b is arranged in the second end face forming tool, and the second heating element 1-2b can also be a heating tube. The positioning needle 1-2c is arranged at the front end part of the second end face forming tool 1-2a and is coaxially arranged with the second end face forming tool 1-2a, and the positioning needle 1-2c axially protrudes out of the front end part of the second end face forming tool 1-2 a. During thermal forming treatment, the positioning pins 1-2c can penetrate through the through holes in the center of the electric core and extend into the positioning pin receiving holes 1-1c of the first end face forming tool 1-1a to position the electric core. In this embodiment, the second end surface forming tool 1-2a is provided with a roll inner tab avoiding groove 1-2d, the roll inner tab avoiding groove 1-2d is an annular groove arranged in the second end surface forming tool 1-2a, the roll inner tab avoiding groove 1-2d extends inwards from the front end surface of the second end surface forming tool 1-2a along a direction parallel to the axial direction of the second end surface forming tool, and the size and position of the roll inner tab avoiding groove 1-2d, such as the width and depth, and the distance between the centers of the second end surface forming tools, can be set correspondingly according to the diameter of the electric core, the position of the electric core roll inner tab, and the size of the tab. The groove of dodging to the interior utmost point ear of will rolling up sets up to the ring channel, the location requirement to utmost point ear is than lower, as long as utmost point ear position all does not influence the terminal surface thermoforming in the annular region and handles, but the interior utmost point ear of rolling up dodges the groove and also can be the blind hole that extends from the preceding terminal surface backward of terminal surface shaping frock, the blind hole position is corresponding with utmost point ear position, can carry out thermoforming processing to the position except utmost point ear as much as possible like this, when adopting this kind of structure of dodging, need carry out more accurate location to electric core utmost point ear position, thereby when thermoforming, utmost point ear can accurately be accomodate to dodging in the position.
The structure of electric core is different, and certain difference also can exist in quantity and the position of utmost point ear on the electric core, and fig. 8a and fig. 8b are the electric core of two kinds of different structures, and the electric core of fig. 8a has 3 utmost point ears: one roll outer tab 102a, one roll inner tab 102b and one center roll inner tab 102 c. The cell of fig. 8b has 2 tabs: one outside roll tab 102a and one inside roll tab 102b, without a center inside roll tab. Therefore, the lug avoiding position on the forming tool can be correspondingly set according to the lug structure on the battery if the inner lug avoiding groove is coiled and the outer lug avoiding groove is coiled, and the position and the shape of the lug avoiding position can be correspondingly set according to the diameter of the battery cell and the position of the battery cell lug.
When the first end face forming mold 1-1 and the second end face forming mold 1-2 heat, pressurize and thermally form the end faces of the electric core between the first end face forming mold 1-1 and the second end face forming mold 1-2, the forming clamping manipulator 2 clamps the electric core on the battery carrier and moves to a position between the first end face forming mold 1-1 and the second end face forming mold 1-2, the first end face forming mold 1-1 and the second end face forming mold 1-2 move oppositely, the positioning pin 1-2c of the second end face forming mold 1-2 passes through the through hole at the center of the electric core and extends into the positioning pin receiving hole 1-1c of the first end face forming mold 1-1 (the center ironing hole is finished on the electric core in the previous process), the electric core is positioned, the first end face forming mold 1-1 and the second end face forming mold 1-2 approach to each other and are tightly pressed on the two end faces of the electric core, the first end face forming die 1-1 and the second end face forming die 1-2 apply certain pressure to the end face of the battery cell and keep for a period of time, and the end face forming treatment is carried out on the battery cell.
Fig. 9 is a schematic structural diagram of a molding and gripping manipulator according to an embodiment of the present invention. In this embodiment, two sets of first end face forming molds 1-1 and second end face forming molds 1-2 are disposed in one set of electrical core end face forming assembly 1, so that end face forming processing can be performed on two electrical cores at a time, and correspondingly, the forming clamping manipulator includes a pair of clamping cylinders 2-1, a lifting sliding table 2-2, and a lifting driving unit 2-3. The lifting driving unit 2-3 is arranged on the component mounting plate 3, and the lifting driving unit 2-3 is used for controlling the lifting sliding table 2-2 to move up and down. The lifting driving unit 2-3 of this embodiment adopts an air cylinder, a piston rod of the air cylinder is connected with the lifting sliding table 2-2, the air cylinder drives the lifting sliding table 2-2 to move up and down when acting, and the clamping air cylinder 2-1 acts to clamp or release the battery cell when moving in place.
As still another preferred embodiment of the present invention, as shown in fig. 10, the cell end surface forming mechanism is mounted above the cell conveying belt 100 by a fixing frame 4, and the assembly mounting plate 3 is movably disposed on the fixing frame 4. It is shown in combination with fig. 4, be provided with slide rail 4a on fixed frame 4, subassembly mounting panel 3 sets up on slide rail 4a, be provided with translation drive unit 5 on fixed frame 4, translation drive unit 5 of this embodiment is the cylinder, the piston rod of cylinder passes through linking arm 6 and links to each other with subassembly mounting panel 3, when translation drive unit 5 moves, can drive subassembly mounting panel 3 and remove along the moving direction of electric core conveyer belt, thereby at the in-process of carrying out the terminal surface thermoforming to electric core, electric core and subassembly mounting panel 3 can be along with electric core conveyer belt synchronous motion together, after electric core accomplishes the terminal surface thermoforming and handles, can put electric core back on original electric core carrier. The battery core end face forming mechanism of this embodiment sets up after the unloading station is convoluteed to the battery core, and the good battery core of coiling is carried backward by battery core conveyer belt 100 (unloading transfer chain) after accomplishing last process (the hole is scalded to the center), and battery core 102 places on battery core carrier 101 of battery core conveyer belt 100 to along with battery core conveyer belt 100 removes through battery core end face forming mechanism. The battery cell end face forming mechanism can be provided with one or more than one battery cell end face forming mechanism, so that the forming efficiency of the battery cell end face is improved.
The following is an explanation of the working process of the battery cell end face forming mechanism of the invention:
the battery cell after the previous process continues to move along with the blanking conveying line (the battery cell conveying belt 100), when the battery cell is moved to the position of the battery cell end face forming assembly 1, the forming clamping manipulator 2 clamps the battery cell from the battery cell carrier and moves the battery cell to a position between a first end face forming mold 1-1 and a second end face forming mold 1-2 of the battery cell end face forming assembly 1;
the first end face forming die 1-1 and the second end face forming die 1-2 move oppositely and compress the battery cell, and end face forming is carried out on the battery cell; in the embodiment, in the process of forming the end face of the electric core, the translation driving unit 5 drives the electric core end face forming assembly 1 (assembly mounting plate 3) to synchronously move along with the blanking conveying line, so that the time for thermoforming the electric core is prolonged, and the phenomenon that the blanking conveying line runs after the thermoforming of the electric core is finished and the production efficiency is influenced can be avoided;
after the shaping of electric core terminal surface is accomplished, the shaping clamp is got on manipulator 2 puts back the electric core carrier of unloading transfer chain with electric core, and all parts reset, repeats above step and carries out the terminal surface shaping to other electric cores and handle.
Of course, the technical concept of the present invention is not limited to the above embodiments, and many different specific schemes may be obtained according to the concept of the present invention, for example, according to the change of the process requirements, a plurality of sets of cell end surface forming assemblies may be added to respectively perform the thermoforming treatment on the two end surfaces of the button-type cell; the lug avoiding position on the end face forming tool can be correspondingly arranged according to the requirement; the shape of the end face forming tool can be cylindrical, and can also be changed correspondingly according to the shape of the battery cell or the production requirement; in addition, in the foregoing embodiment, the through hole on the electrical core is located at the axis of the electrical core, and the positioning pin accommodating hole are also correspondingly and coaxially disposed with the molding tool; such modifications and equivalents are intended to be included within the scope of the present invention.
Claims (10)
1. Electric core terminal surface forming mechanism, its characterized in that includes:
a component mounting plate;
the battery cell end face forming assembly is arranged on the assembly mounting plate and comprises a first end face forming die and a second end face forming die which are oppositely arranged, and the first end face forming die and the second end face forming die can move relatively;
the first end face forming assembly comprises a first end face forming tool, the second end face forming assembly comprises a second end face forming tool, the first end face forming tool and/or the second end face forming tool is provided with a lug avoiding position, the lug avoiding position comprises an outer lug winding position and a groove and/or an inner lug winding position, the outer lug winding position is arranged on the outer peripheral wall of the front end portion of the first end face forming tool and/or the outer peripheral wall of the front end portion of the second end face forming tool, and the inner lug winding position is arranged in the front end portion of the first end face forming tool and/or the front end portion of the second end face forming tool.
2. The cell end face molding mechanism of claim 1, wherein: the molding clamping manipulator is arranged between the first end face molding die and the second end face molding die and can move along the direction vertical to the relative movement direction of the first end face molding die and the second end face molding die.
3. The cell end face molding mechanism of claim 2, wherein: the molding clamping mechanical arm comprises a clamping cylinder, a lifting sliding table and a lifting driving unit, wherein the clamping cylinder is arranged on the lifting sliding table, the lifting sliding table can be arranged on the assembly mounting plate in a vertically moving mode, and the lifting driving unit controls the lifting sliding table to vertically move.
4. The cell end face molding mechanism of claim 1, wherein: the front end part of the first end face forming tool is provided with a positioning pin accommodating hole, the front end part of the second end face forming tool is provided with a positioning pin, and the positioning pin can stretch into the positioning pin accommodating hole.
5. The cell end face molding mechanism of claim 4, wherein: the axis of the positioning pin receiving hole is superposed with the axis of the first end face forming tool, and extends from the front end face of the first end face forming tool to the back along the axial direction of the first end face forming tool; the positioning pin protrudes out of the front end face of the second end face forming tool along the axial direction of the second end face forming tool.
6. The cell end face molding mechanism of claim 1, wherein: the outer-rolling lug avoiding groove is formed in the outer peripheral wall of the front end part of the first end face forming tool and extends from the front end face of the first end face forming tool to the back along a direction parallel to the axial direction of the first end face forming tool, and/or the outer-rolling lug avoiding groove is formed in the outer peripheral wall of the front end part of the second end face forming tool and extends from the front end face of the second end face forming tool to the back along a direction parallel to the axial direction of the second end face forming tool;
the interior utmost point ear of book dodges the groove for set up in annular groove in the tip before the first terminal surface shaping frock, this annular groove is followed the preceding terminal surface of first terminal surface shaping frock along with the direction that first terminal surface shaping frock axial parallels extends backward in the past, and/or the interior utmost point ear of book dodges the groove for set up in annular groove in the tip before the second terminal surface shaping frock, this annular groove is followed the preceding terminal surface of second terminal surface shaping frock along with the direction that second terminal surface shaping frock axial parallels extends backward in the past.
7. The cell end face molding mechanism of claim 1, wherein: a first heating element is arranged in the first end face forming tool, and a second heating element is arranged in the second end face forming tool.
8. The cell end face molding mechanism of claim 1, wherein: the battery cell end face forming assembly further comprises a first mould sliding seat, a second mould sliding seat, a first sliding seat driving unit for driving the first mould sliding seat to move and a second sliding seat driving unit for driving the second mould sliding seat to move;
the first end face forming die is arranged on the first die sliding seat, and the first die sliding seat is horizontally movably arranged on the component mounting plate;
the second end face forming die is arranged on the second die sliding seat, and the second die sliding seat is horizontally movably arranged on the component mounting plate;
the first and second mold slides may move towards or away from each other.
9. The cell end face molding mechanism of claim 1, wherein: the battery cell assembly mounting plate comprises a fixed frame and a translation driving unit arranged on the fixed frame, the assembly mounting plate is movably arranged on the fixed frame and can horizontally move under the control of the translation driving unit, and the moving direction of the assembly mounting plate is consistent with that of a battery cell conveying belt bearing a battery cell.
10. The cell end face molding mechanism of claim 1, wherein: the battery cell end face forming mechanism is arranged behind the battery cell winding and blanking station and is arranged above the battery cell conveying belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010823122.6A CN112072129B (en) | 2020-08-17 | 2020-08-17 | Electricity core terminal surface forming mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010823122.6A CN112072129B (en) | 2020-08-17 | 2020-08-17 | Electricity core terminal surface forming mechanism |
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| CN112072129A CN112072129A (en) | 2020-12-11 |
| CN112072129B true CN112072129B (en) | 2022-04-01 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629688A (en) * | 2012-03-23 | 2012-08-08 | 长宜电通科技股份有限公司 | Cylindrical lithium battery |
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| CN105489820A (en) * | 2015-12-01 | 2016-04-13 | 浙江超威创元实业有限公司 | Packaging structure and packaging method for power battery |
| CN206864564U (en) * | 2017-05-03 | 2018-01-09 | 无锡先导智能装备股份有限公司 | Cutting agency and up- coiler |
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